How many chill hours does 27920 get?

27920 averages 418 chill hours per winter, ranging from 180 to 810 across the last 10 years.

What hardiness zone is 27920?

27920 is in USDA hardiness zone 9a.

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The short answer

27920 averages 418 chill hours per winter (180–810 across 10 years) in USDA zone 9a.

Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023. Data updated July 3, 2026. See methodology.

Every variety in our database, checked against 27920’s chill hours and zone:

Chill and zone requirements are comfortably met in 27920.

Show 34 more good fit varieties

Possible in a good year or a favorable microclimate — click through for the caveats.

Show 21 more marginal varieties

How many chill hours does 27920 get?: 27920 averages 418 chill hours per winter, ranging from 180 to 810 across the last 10 years.
What hardiness zone is 27920?: 27920 is in USDA hardiness zone 9a.

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[1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
[2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026